Check out the movie poster and trailer for Jennifer Aniston's latest film, "The Switch".

This comedy film, rated PG-13, tells the story of a neurotic man (Jason Bateman) who switches the sperm of his best friend’s (Jennifer Aniston) sperm donor with his own, but doesn’t realize until seven years later when he meets her equally neurotic son.

“The Switch” opens in theaters this August 20.

The Switch – Trailer: